16532254542 has 16 divisors (see below), whose sum is σ = 33068010960. Its totient is φ = 5510167872.

The previous prime is 16532254471. The next prime is 16532254553. The reversal of 16532254542 is 24545223561.

It is a self number, because there is not a number n which added to its sum of digits gives 16532254542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82413 + ... + 199640.

It is an arithmetic number, because the mean of its divisors is an integer number (2066750685).

Almost surely, 2^16532254542 is an apocalyptic number.

16532254542 is an abundant number, since it is smaller than the sum of its proper divisors (16535756418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16532254542 is a wasteful number, since it uses less digits than its factorization.

16532254542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291827.

The product of its digits is 288000, while the sum is 39.

The spelling of 16532254542 in words is "sixteen billion, five hundred thirty-two million, two hundred fifty-four thousand, five hundred forty-two".